diff options
| author | Mengdong Lin <mengdong.lin@linux.intel.com> | 2015-12-02 14:11:32 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-12-08 18:05:09 +0000 |
| commit | d6f220ea13edfd3430fb42e09ff92e321ffb5762 (patch) | |
| tree | bf7e67c66cb63a725f1c5f6400581aa9bedf27c8 /sound/soc/soc-core.c | |
| parent | f8f80361d07d503093940097e967a7edaa134ca2 (diff) | |
ASoC: Define add/remove_dai_link ops for a soc card
A machine driver can register the two ops.
When a DAI link is added or removed by a component's topology, the
ASoC core can call the ops to notify the machine driver for extra
intialization or destruction.
E.g. topology can create FE DAI links from a cpu DAI component, and
the machine driver may define an add_dai_link ops to set machine-specific
.init ops for the DAI link.
Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index bf4bccfc4b91..094856fa8cec 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1260,6 +1260,12 @@ int snd_soc_add_dai_link(struct snd_soc_card *card, } lockdep_assert_held(&client_mutex); + /* Notify the machine driver for extra initialization + * on the link created by topology. + */ + if (dai_link->dobj.type && card->add_dai_link) + card->add_dai_link(card, dai_link); + list_add_tail(&dai_link->list, &card->dai_link_list); card->num_dai_links++; @@ -1290,6 +1296,12 @@ void snd_soc_remove_dai_link(struct snd_soc_card *card, } lockdep_assert_held(&client_mutex); + /* Notify the machine driver for extra destruction + * on the link created by topology. + */ + if (dai_link->dobj.type && card->remove_dai_link) + card->remove_dai_link(card, dai_link); + list_for_each_entry_safe(link, _link, &card->dai_link_list, list) { if (link == dai_link) { list_del(&link->list); |